Function isEqual

Returns true if the two arcs have the same values

const arcA = { radius: 5, endRadian: 0, startRadian: 1 };
const arcA = { radius: 5, endRadian: 0, startRadian: 1 };
arcA === arcB; // false, because object identities are different
Arcs.isEqual(arcA, arcB); // true, because values are identical